[ Issue originally reported as https://bugzilla.kernel.org/show_bug.cgi?id=110411 ] Hi! I am working on a Dell Precision M4800 laptop with Gentoo Linux and Kernel 4.3.3: --8<-- Linux zephyr 4.3.3-gentoo #2 SMP Wed Jan 6 00:33:28 CET 2016 x86_64 Intel(R) Core(TM) i7-4910MQ CPU @ 2.90GHz GenuineIntel GNU/Linux --8<-- It has an O2 Micro SD/MMC card reader (1217:8520) which is supposed to be supported by sdhci-pci-o2micro: --8<-- 11:00.0 SD Host controller: O2 Micro, Inc. SD/MMC Card Reader Controller (rev 01) 11:00.0 0805: 1217:8520 (rev 01) --8<-- On bootup, the sdhci-pci driver fails to initialize the card reader with error -22: --8<-- [ 4.782054] sdhci: Secure Digital Host Controller Interface driver [ 4.782057] sdhci: Copyright(c) Pierre Ossman [ 4.782187] sdhci-pci 0000:11:00.0: SDHCI controller found [1217:8520] (rev 1) [ 4.782328] sdhci-pci: probe of 0000:11:00.0 failed with error -22 [ 4.782376] sdhci-pltfm: SDHCI platform and OF driver helper --8<-- What's wrong? BIOS version is A15 from 09/29/2015. UPDATE: The issue remains unchanged with kernel 4.3.5-gentoo. Cheers, Wolfram -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
